Home / 5,305.60-7,957.04-2,531.76

Finding the Fourth Proportional to 5,305.60, 7,957.04 and 2,531.76

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Solution

The fourth proportional to 5,305.60, 7,957.04 and 2,531.76 is: 3,796.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305.60 : 7,957.04 = 2,531.76 : x
  2. Step 2: Convert to fraction form
    5,305.60/7,957.04 = 2,531.76/x
  3. Step 3: Cross multiply
    5,305.60x = 7,957.04 × 2,531.76
  4. Step 4: Simplify right side
    5,305.60x = 20,145,273.09
  5. Step 5: Solve for x
    x = 20,145,273.09/5,305.60
  6. Step 6: Final answer
    x = 3,796.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.